20956164

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{859}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 52012800

約数和(自身を除く): 31056636

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 107, 114, 214, 228, 321, 428, 642, 859, 1284, 1718, 2033, 2577, 3436, 4066, 5154, 6099, 8132, 10308, 12198, 16321, 24396, 32642, 48963, 65284, 91913, 97926, 183826, 195852, 275739, 367652, 551478, 1102956, 1746347, 3492694, 5239041, 6985388, 10478082, 20956164]

約数ペア:

[(1, 20956164), (2, 10478082), (3, 6985388), (4, 5239041), (6, 3492694), (12, 1746347), (19, 1102956), (38, 551478), (57, 367652), (76, 275739), (107, 195852), (114, 183826), (214, 97926), (228, 91913), (321, 65284), (428, 48963), (642, 32642), (859, 24396), (1284, 16321), (1718, 12198), (2033, 10308), (2577, 8132), (3436, 6099), (4066, 5154)]